function newSum222() {
		randomnumber1 = getRandomInt(10, 89);
		randomnumber2 = getRandomInt(10, 99 - randomnumber1);
		right_ans = randomnumber1 + randomnumber2;
		temp_ans_rank = 2;
}

function Start() {
	operation_sign = "+";
	operation = "Sum";
	operation_func = newSum222;
	left_rank = 2;
	right_rank = 2;
	ans_rank = 2;
	document.documentElement.addEventListener("keydown", keyHandler, false);
	timer();
	newTask(operation_func);
}

function getScore(right_count, wrong_count) {
	return 10*right_score - 15*wrong_score;
}